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A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.0. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror?
What minimum constant acceleration does this need if the aircraft is to be airborne after a takeoff run of 250 m.
A sprinter of mass 66.2 starts his race by pushing horizontally backward on the starting blocks with a force of 190 Determine his initial acceleration as he leaves the blocks
Yellow light of vacuum wavelength 589 nm travels at 1.942 x108 m/s through quartz. Quartz is a nonmagneticdielectric. Calculate its permittivity. Find the electric field amplitude of a linearly-polarizedelectromagnetic wave of intensity 12.0 GW/m2..
A particle moves along the x' axis of frame S' with velocity 0.40c. Frame S' moves with velocity 0.60c with respect to frame S. What is the velocity of the particle with respect to frame S
A 22.0 microF capacitor and a 5.30 mH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed
A gymnast with mass m1 = 49 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 119 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end ..
A wooder raft has mass of 76kg. When empty it floats in water (density 1000 kg/m^3) with 40% of its volume submerged
A 57.0 m length of coaxial cable has an innerconductor that has a diameter of 2.58 mm and carries a charge of8.10 µC. The surrounding conductor has an inner diameter of7.27 mm and a charge of -8.10 µC. What is the capacitance of this cable?
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
Two particles, each of mass M, are hung between three identical springs. Each spring is massless and has spring constant K. Neglect gravity. The masses are connected as shown to a dashpot of negligible mass.
Two blocks on a frictionless table, A and B, are connected by a massless string. What is the ratio (ma/mb) of the blocks masses
A broad beam of light of wavelength 485nm is incident at 90° on a thin, wedge-shaped film with index of refraction 1.50. An observer intercepting the light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. By..
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